A recent CDC report found that student Covid-19 case rates were 3.4 times lower in schools that followed CDC recommendations compared to the community during the winter peak.
Even modest increases in pollutants like nitrogen dioxide, emitted by burning fossil fuels, led to a higher risk of hospitalization and outpatient care for people with conditions like schizophrenia, depression and bipolar, a U.K. study found.
While there is an increased risk of stroke after the first Pfizer shot and a higher change of blood clotting following AstraZeneca, a Covid-19 infection comes with at least ten times higher risk, research found.